./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbb28681f649db641abcf0a1b656085d04f9cc91 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbb28681f649db641abcf0a1b656085d04f9cc91 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:43:00,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:00,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:00,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:00,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:00,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:00,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:00,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:00,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:00,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:00,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:00,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:00,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:00,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:00,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:00,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:00,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:00,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:00,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:00,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:00,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:00,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:00,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:00,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:01,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:01,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:01,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:01,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:01,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:01,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:01,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:01,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:01,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:01,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:01,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:01,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:01,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:01,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:01,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:01,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:01,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:01,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:01,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:01,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:01,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:01,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:01,085 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:01,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:01,088 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:01,088 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:01,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:01,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:01,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:01,091 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:01,091 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:01,092 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:01,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:01,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:01,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:01,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:01,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:01,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:01,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:01,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:01,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:01,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:01,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:01,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:01,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:01,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb28681f649db641abcf0a1b656085d04f9cc91 [2019-11-27 17:43:01,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:01,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:01,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:01,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:01,808 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:01,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2019-11-27 17:43:01,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186698491/1456859d94ba49cab982bdff9b6adb63/FLAG273c29630 [2019-11-27 17:43:03,226 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:03,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2019-11-27 17:43:03,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186698491/1456859d94ba49cab982bdff9b6adb63/FLAG273c29630 [2019-11-27 17:43:03,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186698491/1456859d94ba49cab982bdff9b6adb63 [2019-11-27 17:43:03,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:03,324 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:03,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:03,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:03,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:03,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70002f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03, skipping insertion in model container [2019-11-27 17:43:03,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:03,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:04,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:04,424 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:04,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:04,680 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:04,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04 WrapperNode [2019-11-27 17:43:04,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:04,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:04,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:04,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:04,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:04" (1/1) ... [2019-11-27 17:43:04,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:04,857 INFO L168 Benchmark]: Toolchain (without parser) took 1525.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:04,858 INFO L168 Benchmark]: CDTParser took 3.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:04,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1348.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:04,874 INFO L168 Benchmark]: Boogie Preprocessor took 162.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:04,877 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.11 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1348.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 162.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:08,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:08,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:08,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:08,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:08,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:08,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:08,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:08,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:08,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:08,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:08,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:08,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:08,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:08,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:08,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:08,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:08,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:08,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:08,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:08,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:08,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:08,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:08,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:08,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:08,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:08,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:08,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:08,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:08,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:08,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:08,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:08,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:08,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:08,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:08,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:08,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:08,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:08,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:08,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:08,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:08,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:09,005 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:09,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:09,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:09,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:09,014 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:09,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:09,017 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:09,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:09,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:09,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:09,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:09,023 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:09,023 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:09,024 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:09,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:09,025 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:09,025 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:09,025 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:09,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:09,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:09,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:09,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:09,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:09,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:09,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:09,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:09,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:09,031 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:09,032 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:09,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:09,032 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb28681f649db641abcf0a1b656085d04f9cc91 [2019-11-27 17:43:09,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:09,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:09,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:09,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:09,683 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:09,685 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2019-11-27 17:43:09,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9bc0790/09f1c64d991347ae9e1ba566f899c071/FLAG397679bf0 [2019-11-27 17:43:11,093 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:11,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2019-11-27 17:43:11,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9bc0790/09f1c64d991347ae9e1ba566f899c071/FLAG397679bf0 [2019-11-27 17:43:11,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c9bc0790/09f1c64d991347ae9e1ba566f899c071 [2019-11-27 17:43:11,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:11,189 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:11,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:11,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:11,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:11,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d4ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11, skipping insertion in model container [2019-11-27 17:43:11,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:11,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:12,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:12,388 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:12,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:12,605 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:12,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12 WrapperNode [2019-11-27 17:43:12,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:12,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:12,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:12,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:12,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12" (1/1) ... [2019-11-27 17:43:12,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12" (1/1) ... [2019-11-27 17:43:12,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12" (1/1) ... [2019-11-27 17:43:12,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12" (1/1) ... [2019-11-27 17:43:12,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12" (1/1) ... [2019-11-27 17:43:12,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12" (1/1) ... [2019-11-27 17:43:12,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:12" (1/1) ... [2019-11-27 17:43:12,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:12,824 INFO L168 Benchmark]: Toolchain (without parser) took 1633.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:12,826 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:12,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1415.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:12,848 INFO L168 Benchmark]: Boogie Preprocessor took 207.82 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:12,860 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1415.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 207.82 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...